Illegal index 0

#0 /home/stylekoubou/public_html/Application/Controller/Public/BlogController.php(185): Zend_Db_Table_Rowset_Abstract->offsetGet(0)
#1 /home/stylekoubou/public_html/library/Zend/Controller/Action.php(516): BlogController->indexAction()
#2 /home/stylekoubou/public_html/library/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('indexAction')
#3 /home/stylekoubou/public_html/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Application_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#4 /home/stylekoubou/public_html/Var/Media/Public.php(24): Zend_Controller_Front->dispatch()
#5 {main}